<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>表单元素</title>
</head>
<body>
    <form name="stuInfo" action="test.jsp" method="post">
        <input type="text" name="userName" placeholder="请输入您的姓名">
        <input type="submit">
</form>
</body>
</html>